How is a Pap smear liquid based cytology done?
Pap smear and liquid-based cytology (LBC) for cervical screening
1samples are collected in the usual way, but using a brush-like device rather than a spatula.2the head of the device is rinsed or broken off into a vial of preservative fluid so that most or all of the cervical cells are retained..What are the 3 types of specimens for Pap smear?
Acceptable specimens for the Pap Test include cervical, cervical and vaginal, endocervical, vaginal and/or vulvar scrapings or brushings.
Specimens may be submitted as conventional smears, although the preferred method is the ThinPrep\xae Pap test..
What is smear for cytology?
In cytological smear, the sample is either smeared on a glass slide or made on a monolaye, and it is subsequently stained with the following stains- Papanicolaou, Diff quick and heamatoxylin and eosin.
Samples of CB are fixed in 10% neutral buffered formalin and then treated as a tissue block..
What is the method of collection of Pap smear?
The method of Pap smear collection. (a) Long end of the Szalay's plastic spatula is seen fixed firmly in the endocervical canal and rotated clockwise through 360\xb0, (b) The long end collects cells from the squamocolumnar junction even if it is higher up in the canal.Mar 29, 2022.
What is the procedure for Pap smear in cytology?
In a Pap test, a vaginal speculum holds the vaginal walls apart to show the cervix.
Next, a sample of cells from the cervix is collected using a small cone-shaped brush and a tiny plastic spatula (1 and 2).
The brush and spatula are rinsed in a liquid-filled vial (3) and the vial goes to a laboratory for testing..
What types of cells are seen in Pap smear?
Of the four main types of squamous cervical (superficial, intermediate, parabasal and basal), superficial, and intermediate cells represent the overwhelming majority in a conventional smear.
Parabasal cells occur less frequently, and basal cells are exceedingly rare.
Endocervical cells sometimes are seen..
- For this test, you will lie on a table and place your feet in stirrups.
The doctor will insert an instrument called a speculum into the vagina and open it slightly to see inside the vaginal canal.
Cells are gently scraped from the cervix area, and sent to a lab for examination. - The conventional technique involves collecting cells from the transformation zone of the cervix by using a brush and spatula, transferring the cells to a slide, and fixing the slide with a preservative.
The liquid-based technique allows testing for HPV, gonorrhea, and chlamydia from a single collection.